sys.h, api_lib.c, api_msg.c, sockets.c: fix bug #21698: "netconn->recv_avail is not protected" by using new macros for interlocked access to modify/test netconn->recv_avail.

2007-12-21 14:59:10 +00:00
parent 1cb470662b
commit 48e62e25e9
5 changed files with 64 additions and 9 deletions
--- a/src/api/sockets.c
+++ b/src/api/sockets.c
@@ -1872,7 +1872,7 @@ lwip_ioctl(int s, long cmd, void *argp)
      return -1;
    }

-    *((u16_t*)argp) = sock->conn->recv_avail;
+    SYS_ARCH_GET(sock->conn->recv_avail, *((u16_t*)argp));

    /* Check if there is data left from the last recv operation. /maq 041215 */
    if (sock->lastdata) {